# coding=utf-8 # Copyright 2022 The HuggingFace Team Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a clone of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import copy import tempfile import unittest from huggingface_hub import HfFolder, delete_repo from parameterized import parameterized from requests.exceptions import HTTPError from transformers import AutoConfig, GenerationConfig from transformers.testing_utils import TOKEN, USER, is_staging_test class GenerationConfigTest(unittest.TestCase): @parameterized.expand([(None,), ("foo.json",)]) def test_save_load_config(self, config_name): config = GenerationConfig( do_sample=True, temperature=0.7, length_penalty=1.0, bad_words_ids=[[1, 2, 3], [4, 5]], ) with tempfile.TemporaryDirectory() as tmp_dir: config.save_pretrained(tmp_dir, config_name=config_name) loaded_config = GenerationConfig.from_pretrained(tmp_dir, config_name=config_name) # Checks parameters that were specified self.assertEqual(loaded_config.do_sample, True) self.assertEqual(loaded_config.temperature, 0.7) self.assertEqual(loaded_config.length_penalty, 1.0) self.assertEqual(loaded_config.bad_words_ids, [[1, 2, 3], [4, 5]]) # Checks parameters that were not specified (defaults) self.assertEqual(loaded_config.top_k, 50) self.assertEqual(loaded_config.max_length, 20) self.assertEqual(loaded_config.max_time, None) def test_from_model_config(self): model_config = AutoConfig.from_pretrained("gpt2") generation_config_from_model = GenerationConfig.from_model_config(model_config) default_generation_config = GenerationConfig() # The generation config has loaded a few non-default parameters from the model config self.assertNotEqual(generation_config_from_model, default_generation_config) # One of those parameters is eos_token_id -- check if it matches self.assertNotEqual(generation_config_from_model.eos_token_id, default_generation_config.eos_token_id) self.assertEqual(generation_config_from_model.eos_token_id, model_config.eos_token_id) def test_update(self): generation_config = GenerationConfig() update_kwargs = { "max_new_tokens": 1024, "foo": "bar", } update_kwargs_copy = copy.deepcopy(update_kwargs) unused_kwargs = generation_config.update(**update_kwargs) # update_kwargs was not modified (no side effects) self.assertEqual(update_kwargs, update_kwargs_copy) # update_kwargs was used to update the config on valid attributes self.assertEqual(generation_config.max_new_tokens, 1024) # `.update()` returns a dictionary of unused kwargs self.assertEqual(unused_kwargs, {"foo": "bar"}) def test_initialize_new_kwargs(self): generation_config = GenerationConfig() generation_config.foo = "bar" with tempfile.TemporaryDirectory("test-generation-config") as tmp_dir: generation_config.save_pretrained(tmp_dir) new_config = GenerationConfig.from_pretrained(tmp_dir) # update_kwargs was used to update the config on valid attributes self.assertEqual(new_config.foo, "bar") generation_config = GenerationConfig.from_model_config(new_config) assert not hasattr(generation_config, "foo") # no new kwargs should be initialized if from config @is_staging_test class ConfigPushToHubTester(unittest.TestCase): @classmethod def setUpClass(cls): cls._token = TOKEN HfFolder.save_token(TOKEN) @classmethod def tearDownClass(cls): try: delete_repo(token=cls._token, repo_id="test-generation-config") except HTTPError: pass try: delete_repo(token=cls._token, repo_id="valid_org/test-generation-config-org") except HTTPError: pass def test_push_to_hub(self): config = GenerationConfig( do_sample=True, temperature=0.7, length_penalty=1.0, ) config.push_to_hub("test-generation-config", use_auth_token=self._token) new_config = GenerationConfig.from_pretrained(f"{USER}/test-generation-config") for k, v in config.to_dict().items(): if k != "transformers_version": self.assertEqual(v, getattr(new_config, k)) # Reset repo delete_repo(token=self._token, repo_id="test-generation-config") # Push to hub via save_pretrained with tempfile.TemporaryDirectory() as tmp_dir: config.save_pretrained( tmp_dir, repo_id="test-generation-config", push_to_hub=True, use_auth_token=self._token ) new_config = GenerationConfig.from_pretrained(f"{USER}/test-generation-config") for k, v in config.to_dict().items(): if k != "transformers_version": self.assertEqual(v, getattr(new_config, k)) def test_push_to_hub_in_organization(self): config = GenerationConfig( do_sample=True, temperature=0.7, length_penalty=1.0, ) config.push_to_hub("valid_org/test-generation-config-org", use_auth_token=self._token) new_config = GenerationConfig.from_pretrained("valid_org/test-generation-config-org") for k, v in config.to_dict().items(): if k != "transformers_version": self.assertEqual(v, getattr(new_config, k)) # Reset repo delete_repo(token=self._token, repo_id="valid_org/test-generation-config-org") # Push to hub via save_pretrained with tempfile.TemporaryDirectory() as tmp_dir: config.save_pretrained( tmp_dir, repo_id="valid_org/test-generation-config-org", push_to_hub=True, use_auth_token=self._token ) new_config = GenerationConfig.from_pretrained("valid_org/test-generation-config-org") for k, v in config.to_dict().items(): if k != "transformers_version": self.assertEqual(v, getattr(new_config, k))